Title (en)

MANGANESE-ZINC FERRITE

Title (de)

MANGAN/ZINK-FERRIT

Title (fr)

FERRITE DE MANGANESE/ZINC

Publication

EP 0936634 A1 19990818 (EN)

Application

EP 98938976 A 19980825

Priority

• JP 9803763 W 19980825
• JP 24973797 A 19970829
• JP 35607997 A 19971209

Abstract (en)

The manganese-zinc system ferrite of the invention has an initial permeability mu i at a frequency of 100 kHz and at 25 DEG C of 5,000 or more, and a core loss Pcv at a frequency of 100 kHz and at 200 mT and 40 DEG C of 400 kW/m<3> or less. <IMAGE>

IPC 1-7

H01F 1/34

IPC 8 full level

C04B 35/38 (2006.01); C04B 35/26 (2006.01); H01F 1/34 (2006.01)

CPC (source: EP US)

C04B 35/2658 (2013.01 - EP US); H01F 1/344 (2013.01 - EP US)

Designated contracting state (EPC)

DE FR

DOCDB simple family (publication)

WO 9912173 A1 19990311; AU 8750598 A 19990322; EP 0936634 A1 19990818; EP 0936634 A4 20010418; JP 3488375 B2 20040119; JP H11135317 A 19990521; TW 379339 B 20000111; US 5980773 A 19991109

DOCDB simple family (application)

JP 9803763 W 19980825; AU 8750598 A 19980825; EP 98938976 A 19980825; JP 35607997 A 19971209; TW 87114286 A 19980828; US 30157399 A 19990429